Base | Representation |
---|---|
bin | 1001000110111101000000… |
… | …01100000100110010001010 |
3 | 2121220212020111121010001220 |
4 | 10203132200030010302022 |
5 | 10111133141211134010 |
6 | 110333413214422510 |
7 | 4135062022000362 |
oct | 443364014046212 |
9 | 77825214533056 |
10 | 20030120021130 |
11 | 64227a962778a |
12 | 22b5b7a801a36 |
13 | b23aa84ac54b |
14 | 4d366a5c99a2 |
15 | 24b0692bb970 |
hex | 1237a0304c8a |
20030120021130 has 64 divisors (see below), whose sum is σ = 48301915189248. Its totient is φ = 5315868618560.
The previous prime is 20030120021089. The next prime is 20030120021141. The reversal of 20030120021130 is 3112002103002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17919439 + ... + 19004381.
It is an arithmetic number, because the mean of its divisors is an integer number (754717424832).
Almost surely, 220030120021130 is an apocalyptic number.
20030120021130 is an abundant number, since it is smaller than the sum of its proper divisors (28271795168118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030120021130 is a wasteful number, since it uses less digits than its factorization.
20030120021130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1087891.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20030120021130 its reverse (3112002103002), we get a palindrome (23142122124132).
The spelling of 20030120021130 in words is "twenty trillion, thirty billion, one hundred twenty million, twenty-one thousand, one hundred thirty".
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